Patent · US Active

Multilayer brush having a composite

US8368281B2 · kind B2 · utility

1Cited by

1References

22Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Hans Hoell · Bad Aussee, AT
Michael Bayer · South Euclid, US
Sven Hartmann · Stuttgart, DE
Gerhard Bachauer · Bad Aussee, AT

Key dates

Filing date	Dec 16, 2008
Grant date	Feb 5, 2013
Priority date	—
Expiry date	Dec 16, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH01R39/20
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A multilayer brush, which essentially contains a composite having a graphite component and having a copper component, and a layered structure, a first layer being furnished with a high copper component and a further layer being furnished with a comparatively low copper component. It is provided that the copper component of the first layer in comparison with the copper component of the second layer corresponds to a ratio of ≦3/2.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.